| 摘要 |
<p>A MIMO-OFDM transmitter has a plurality of transmitting antennas (107) transmitting OFDM signals to a receiver, and a generating unit (130) generating direct spreading pilot signals of which pilot data for demodulating the OFDM signals transmitted from the plurality of transmitting antennas in the receiver are spread with direct spreading codes, and transmitting the direct spreading pilot signals from the plurality of transmitting antennas.</p> |
